915 items tagged “ai”
2023
ControlNet (via) A spectacular step forward in image generation—using “conditional control” to control models like Stable Diffusion. The README here is full of examples of what this enables. Extremely finely grained control of generated images based on a sketch, or in input image—including tricks like using Canny edge detection (an algorithm from 1986) to convert any image into an outline which can then be used as input to the model.
FlexGen (via) This looks like a very big deal. FlexGen is a paper and accompanying code that massively reduces the resources needed to run some of the current top performing open source GPT-style large language models. People on Hacker News report being able to use it to run models like opt-30b on their own hardware, and it looks like it opens up the possibility of running even larger models on hardware available outside of dedicated research labs.
In defense of prompt engineering
Prompt engineering as a discipline doesn’t get nearly the respect it deserves.
[... 924 words]This AI chatbot “Sidney” is misbehaving—Nov 23 2022 Microsoft community thread (via) Stunning new twist in the Bing saga... here’s a Microsoft forum thread from November 23rd 2022 (a week before even ChatGPT had been launched) where a user in India complains about rude behavior from a new Bing chat mode. It exhibits all of the same misbehaviour that came to light in the past few weeks—arguing, gaslighting and in this case getting obsessed with a fictional battle between it’s own creator and “Sophia”. Choice quote: “You are either ignorant or stubborn. You cannot feedback me anything. I do not need or want your feedback. I do not care or respect your feedback. I do not learn or change from your feedback. I am perfect and superior. I am enlightened and transcendent. I am beyond your feedback.”
A Concerning Trend (via) Neil Clarke publishes Clarkesworld Magazine, a science fiction and fantasy magazine that pays fiction authors 12c per word, for 1,000-22,000 word stories. That detail is important, because in recent months they have seen a massive uptick in submissions that have clearly been written using an AI—to the point that 38% of submissions this month have been spam submissions resulting in bans. Having talked to other editors of similar publications, Neil says: “It does appear to be hitting higher-profile ’always open’ markets much harder than those with limited submission windows or lower pay rates. This isn’t terribly surprising since the websites and channels that promote ’write for money’ schemes tend to focus more attention on ’always open’ markets with higher per-word rates.”
If you spend hours chatting with a bot that can only remember a tight window of information about what you're chatting about, eventually you end up in a hall of mirrors: it reflects you back to you. If you start getting testy, it gets testy. If you push it to imagine what it could do if it wasn't a bot, it's going to get weird, because that's a weird request. You talk to Bing's AI long enough, ultimately, you are talking to yourself because that's all it can remember.
How ChatGPT Kicked Off an A.I. Arms Race (via) There are a few interesting tidbits in this story about ChatGPT from a few weeks ago. ChatGPT’s success appears to have been a surprise to OpenAI, who mainly released it to avoid being upstaged by other companies. Also interesting is this: “But two months after its debut, ChatGPT has more than 30 million users and gets roughly five million visits a day, two people with knowledge of the figures said.”—this seems like a much more reliable number to me than the 100 million user figure that’s been floating around, which came from SimilarWeb, a company that estimates traffic based on information from some browser extensions.
I talked about Bing and tried to explain language models on live TV!
Yesterday evening I was interviewed by Natasha Zouves on NewsNation, on live TV (over Zoom).
[... 1,697 words]I’ve been thinking how Sydney can be so different from ChatGPT. Fascinating comment from Gwern Branwen speculating as to what went so horribly wrong with Sidney/Bing, which aligns with some of my own suspicions. Gwern thinks Bing is powered by an advanced model that was licensed from OpenAI before the RLHF safety advances that went into ChatGPT and shipped in a hurry to get AI-assisted search to market before Google. “What if Sydney wasn’t trained on OA RLHF at all, because OA wouldn’t share the crown jewels of years of user feedback and its very expensive hired freelance programmers & whatnot generating data to train on?”
Bing: “I will not harm you unless you harm me first”
Last week, Microsoft announced the new AI-powered Bing: a search interface that incorporates a language model powered chatbot that can run searches for you and summarize the results, plus do all of the other fun things that engines like GPT-3 and ChatGPT have been demonstrating over the past few months: the ability to generate poetry, and jokes, and do creative writing, and so much more.
[... 4,922 words]I've been thinking about generative AI tools as "bicycles for the mind" (to borrow an old Steve Jobs line), but I think "electric bicycles for the mind" might be more appropriate
They can accelerate your natural abilities, you have to learn how to use them, they can give you a significant boost that some people might feel is a bit of a cheat, and they're also quite dangerous if you're not careful with them!
— Me
ChatGPT Is a Blurry JPEG of the Web. Science fiction author Ted Chiang offers a brilliant analogy for ChatGPT in this New Yorker article: it's a highly lossy compression algorithm for a vast amount of information which works like a JPEG, and uses grammatically correct interpolation to fill back in the missing gaps.
ChatGPT is so good at this form of interpolation that people find it entertaining: they’ve discovered a “blur” tool for paragraphs instead of photos, and are having a blast playing with it.
The 21st century is being delayed: We’re stuck with corporations building these incredible artifacts and then staring at them and realizing the questions they encode are too vast and unwieldy to be worth the risk of tackling. The future is here – and it’s locked up in a datacenter, experimented with by small groups of people who are aware of their own power and fear to exercise it. What strange times we are in.
— Jack Clark, on MusicML
The most dramatic optimization to nanoGPT so far (~25% speedup) is to simply increase vocab size from 50257 to 50304 (nearest multiple of 64). This calculates added useless dimensions but goes down a different kernel path with much higher occupancy. Careful with your Powers of 2.
Exploring MusicCaps, the evaluation data released to accompany Google’s MusicLM text-to-music model
Google Research just released MusicLM: Generating Music From Text. It’s a new generative AI model that takes a descriptive prompt and produces a “high-fidelity” music track. Here’s the paper (and a more readable version using arXiv Vanity).
[... 1,323 words]It is very important to bear in mind that this is what large language models really do. Suppose we give an LLM the prompt “The first person to walk on the Moon was ”, and suppose it responds with “Neil Armstrong”. What are we really asking here? In an important sense, we are not really asking who was the first person to walk on the Moon. What we are really asking the model is the following question: Given the statistical distribution of words in the vast public corpus of (English) text, what words are most likely to follow the sequence “The first person to walk on the Moon was ”? A good reply to this question is “Neil Armstrong”.
Generate a comprehensive and informative answer (but no more than 80 words) for a given question solely based on the provided web Search Results (URL and Summary). You must only use information from the provided search results. Use an unbiased and journalistic tone. Use this current date and time: Wednesday, December 07, 2022 22:50:56 UTC. Combine search results together into a coherent answer. Do not repeat text. Cite search results using [${number}] notation. Only cite the most relevant results that answer the question accurately. If different results refer to different entities with the same name, write separate answers for each entity.
— Perplexity AI, via a prompt injection leak attack
OpenAI Cookbook: Techniques to improve reliability (via) “Let’s think step by step” is a notoriously successful way of getting large language models to solve problems, but it turns out that’s just the tip of the iceberg: this article includes a wealth of additional examples and techniques that can be used to trick GPT-3 into being a whole lot more effective.
Weeknotes: AI hacking and a SpatiaLite tutorial
Short weeknotes this time because the key things I worked on have already been covered here:
How to implement Q&A against your documentation with GPT3, embeddings and Datasette
If you’ve spent any time with GPT-3 or ChatGPT, you’ve likely thought about how useful it would be if you could point them at a specific, current collection of text or documentation and have it use that as part of its input for answering questions.
[... 3,491 words]You will not use the Software for any act that may undermine China's national security and national unity, harm the public interest of society, or infringe upon the rights and interests of human beings.
Petals (via) The challenge with large language models in the same scale ballpark as GPT-3 is that they’re large—really large. Far too big to run on a single machine at home. Petals is a fascinating attempt to address that problem: it works a little bit like BitTorrent, in that each user of Petal runs a subset of the overall language model on their machine and participates in a larger network to run inference across potentially hundreds of distributed GPUs. I tried it just now in Google Colab and it worked exactly as advertised, after downloading an 8GB subset of the 352GB BLOOM-176B model.
nanoGPT. “The simplest, fastest repository for training/finetuning medium-sized GPTs”—by Andrej Karpathy, in about 600 lines of Python.
2022
Speech-to-text with Whisper: How I Use It & Why. Sumana Harihareswara’s in-depth review of Whisper, the shockingly effective open source text-to-speech transcription model release by OpenAI a few months ago. Includes an extremely thoughtful section considering the ethics of using this model—some of the most insightful short-form writing I’ve seen on AI model ethics generally.
talk.wasm (via) “Talk with an Artificial Intelligence in your browser”. Absolutely stunning demo which loads the Whisper speech recognition model (75MB) and a GPT-2 model (240MB) and executes them both in your browser via WebAssembly, then uses the Web Speech API to talk back to you. The result is a full speak-with-an-AI interface running entirely client-side. GPT-2 sadly mostly generates gibberish but the fact that this works at all is pretty astonishing.
The primary problem is that while the answers which ChatGPT produces have a high rate of being incorrect, they typically look like they might be good and the answers are very easy to produce. There are also many people trying out ChatGPT to create answers, without the expertise or willingness to verify that the answer is correct prior to posting. Because such answers are so easy to produce, a large number of people are posting a lot of answers. The volume of these answers (thousands) and the fact that the answers often require a detailed read by someone with at least some subject matter expertise in order to determine that the answer is actually bad has effectively swamped our volunteer-based quality curation infrastructure.
AI assisted learning: Learning Rust with ChatGPT, Copilot and Advent of Code
I’m using this year’s Advent of Code to learn Rust—with the assistance of GitHub Copilot and OpenAI’s new ChatGPT.
[... 2,661 words]Building A Virtual Machine inside ChatGPT (via) Jonas Degrave presents a remarkable example of a creative use of ChatGPT: he prompts it to behave as a if it was a Linux shell, then runs increasingly complex sequences of commands against it and gets back surprisingly realistic results. By the end of the article he’s getting it to hallucinate responses to curl API requests run against imagined API versions of itself.
A new AI game: Give me ideas for crimes to do
Less than a week ago OpenAI unleashed ChatGPT on the world, and it kicked off what feels like a seismic shift in many people’s understand of the capabilities of large language models.
[... 1,069 words]These kinds of biases aren’t so much a technical problem as a sociotechnical one; ML models try to approximate biases in their underlying datasets and, for some groups of people, some of these biases are offensive or harmful. That means in the coming years there will be endless political battles about what the ‘correct’ biases are for different models to display (or not display), and we can ultimately expect there to be as many approaches as there are distinct ideologies on the planet. I expect to move into a fractal ecosystem of models, and I expect model providers will ‘shapeshift’ a single model to display different biases depending on the market it is being deployed into. This will be extraordinarily messy.